E90Post
 


European Auto Source
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > wheels and lowering



Reply
 
Thread Tools Search this Thread
      09-03-2010, 03:16 PM   #1
bob12345
Registered
 
Drives: E90
Join Date: Jul 2009
Location: Phoenix

Posts: 4
iTrader: (0)

wheels and lowering

So I have to replace a couple things in the front suspension on the passenger side of the car, one of them being the strut. I thought that I might wanna go ahead and lower the car and possibly replace the struts at the same time, but came up with a couple questions...

I'm only going to lower about an inch, I was thinking either H&R Sport or Eibach Pro springs.

Question is, do I have to replace the struts at the same time, or will the OEM ones be fine given that I'm not lowering very much?

Sometime in the near future I'll also be replacing the wheels on the car. Probably with some 19" staggered offset wheels. Should I be concerned about any rubbing or anything since I'm lowering?

The setup I'm thinking...

Eibach Pro Springs
Possibly Eibach matched struts
Gianelle Spezia-5, 19x8.5 front, 19x9.5 rear. I think the tires come out to 265/30 rear and 235/35 front
bob12345 is offline  
0
Reply With Quote
      09-03-2010, 03:27 PM   #2
MassBimmer
Major General
 
MassBimmer's Avatar
 
Drives: E90 LCI 328i xDrive
Join Date: May 2009
Location: Mansfield, MA

Posts: 7,004
iTrader: (6)

Garage List
2009 BMW  [4.50]
The H&R Sports are likely going to lower you more than an inch...it'll be more in the 1.2-1.3" neighborhood...Eibach is about 1" up front and 0.75" in the rear.

If you have the cash, you might as well install new shocks/struts to save on labor. If not, you'll be fine, I would just expect the stock shocks/struts to wear a little quicker, especially with the H&R's as they have a higher spring rate

Rubbing all depends on the width of your wheel and offset. Offsets in the 30's generally work well with little to no fender work when lowered. Anything less than that will require fender rolling
__________________
E90 LCI 328i xDrive: M-Sport Conversion / BMW Performance Exhaust / BMW Performance Intake / BMW Performance Steering Wheel / VMR V710 / KW V1
MassBimmer is offline  
0
Reply With Quote
      09-04-2010, 08:39 PM   #3
Wlew
Major
 
Wlew's Avatar
 
Drives: E90 330i
Join Date: Sep 2009
Location: Charlotte, NC

Posts: 1,046
iTrader: (11)

you might a well replace the shocks when you replace springs... stock ones will wear out faster on lowered springs, o save yourself the two intall fees and do it all at once, it will make the ride quality better.

go with eibach pro. they ride great and perform magnificently
__________________
2006 330i |premium package | Sports package | BMS Power Box | AA Tune | K&N Drop in | Charcoal Delete | Mforce Design Air Scoops | MMW CS Exhaust w/ second cat delete | Resonator Delete | Eibach Pro-kit | Koni Yellows | Mtec fogs | Mtec v2 Angel eyes | M3 Tri-stitched steering wheel | BMW Strut Bar | 19" Avant Garde M310's | Cooper Zeon 2xs | OEM Blacklines | WTB: Dinan High Flow Throttle Body
Wlew is offline   United_States
0
Reply With Quote
      09-04-2010, 08:40 PM   #4
Wlew
Major
 
Wlew's Avatar
 
Drives: E90 330i
Join Date: Sep 2009
Location: Charlotte, NC

Posts: 1,046
iTrader: (11)

oh, Koni Yellows... definitely the best option in my opinion
__________________
2006 330i |premium package | Sports package | BMS Power Box | AA Tune | K&N Drop in | Charcoal Delete | Mforce Design Air Scoops | MMW CS Exhaust w/ second cat delete | Resonator Delete | Eibach Pro-kit | Koni Yellows | Mtec fogs | Mtec v2 Angel eyes | M3 Tri-stitched steering wheel | BMW Strut Bar | 19" Avant Garde M310's | Cooper Zeon 2xs | OEM Blacklines | WTB: Dinan High Flow Throttle Body
Wlew is offline   United_States
0
Reply With Quote
      09-05-2010, 05:47 AM   #5
pengful
Gearhead
 
pengful's Avatar
 
Drives: E90 - 320i Black-on-black
Join Date: Nov 2008
Location: Singapore

Posts: 68
iTrader: (0)

This is the drop for H&R Sport on stock shock absorbers. Hope this helps.
Attached Images
  
pengful is offline   Singapore
0
Reply With Quote
      09-05-2010, 06:22 AM   #6
xxp0loxx
Second Lieutenant
 
xxp0loxx's Avatar
 
Drives: e92 Space Gray ACS
Join Date: Aug 2010
Location: Germany

Posts: 251
iTrader: (2)

peng, are those 18's?
xxp0loxx is offline  
0
Reply With Quote
      09-05-2010, 08:22 PM   #7
bachn
New Member
 
Drives: 2008 335i Coupe
Join Date: Jun 2010
Location: Houston

Posts: 8
iTrader: (0)

I've got H&R springs (lowered ~30mm) and 19" rims. 235/35 fronts and 265/30 in rear. No rubbing and ride height is nice but definetly a harder ride.
bachn is offline  
0
Reply With Quote
      09-05-2010, 09:00 PM   #8
Rukuss
Major
 
Rukuss's Avatar
 
Drives: 135i
Join Date: Aug 2010
Location: Portland

Posts: 1,221
iTrader: (-1)

Quote:
Originally Posted by pengful View Post
This is the drop for H&R Sport on stock shock absorbers. Hope this helps.
Nice!!
Rukuss is offline   United_States
0
Reply With Quote
      09-07-2010, 08:26 AM   #9
pengful
Gearhead
 
pengful's Avatar
 
Drives: E90 - 320i Black-on-black
Join Date: Nov 2008
Location: Singapore

Posts: 68
iTrader: (0)

Quote:
Originally Posted by xxp0loxx View Post
peng, are those 18's?
Yep.
pengful is offline   Singapore
0
Reply With Quote
      09-07-2010, 12:25 PM   #10
ModBargains.com
Banned
 
Drives: JB E92 335i
Join Date: Feb 2008
Location: 1721 E. Lambert Rd #C, La Habra, CA 90631

Posts: 13,594
iTrader: (51)

I always recommend to my customers to change out both springs and shocks at the same time. Aftermarket springs typically have a more aggressive spring rate. This will cause your oem shocks to blow prematurely as well. Let's break this down in terms of cost. You'll spend about $230-300 bucks for aftermarket springs, another $250-300 for an installation, and another $65-125 for an alignment. When your OEM sport or non-sport shocks blow your going to have to spend another $700-800 on shocks, another installation fee, and another alignment. If you calculate that all together, you would saved a whole lot more money doing it right the first time around.

I would recommend that you check out the KONI FSD w/ Eibach Pro Spring Comobo. On average Eibach Pro Lowering Springs will lower your vehicle 1.4" in the front and 1.0" inch in the rear, providing for a lower center of gravity and improved handling. I'll shoot you over a PM with more details!

- Alan
ModBargains.com is offline   United_States
0
Reply With Quote
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 08:33 AM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST